# \[PATCH\] Drivers: hv: vmbus: Drop error message when 'No request id available' - From: Andrea Parri (Microsoft) \ - Date: 2021-03-02 02:28:57 - List: linux-hyperv - Page: https://ratatoskr.run/linux-hyperv/2021/03/6283571 - Thread: https://ratatoskr.run/linux-hyperv/2021/03/6283571/t.md ```text Running out of request IDs on a channel essentially produces the same effect as running out of space in the ring buffer, in that -EAGAIN is returned. The error message in hv_ringbuffer_write() should either be dropped (since we don't output a message when the ring buffer is full) or be made conditional/debug-only. Suggested-by: Michael Kelley Signed-off-by: Andrea Parri (Microsoft) Fixes: e8b7db38449ac ("Drivers: hv: vmbus: Add vmbus_requestor data structure for VMBus hardening") --- drivers/hv/ring_buffer.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 35833d4d1a1dc..ecd82ebfd5bc4 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -313,7 +313,6 @@ int hv_ringbuffer_write(struct vmbus_channel *channel, rqst_id = vmbus_next_request_id(&channel->requestor, requestid); if (rqst_id == VMBUS_RQST_ERROR) { spin_unlock_irqrestore(&outring_info->ring_lock, flags); - pr_err("No request id available\n"); return -EAGAIN; } } -- 2.25.1 ```